Change personalized signin promo description in Recent Tabs

This CL changes the personalized signin promo's description in Recent
Tabs on both iOS and Android.

Bug: 766312
Change-Id: I6197e39fdc874e74124ce282085429c8001db131
Reviewed-on: https://chromium-review.googlesource.com/671352Reviewed-by: Bernhard Bauer <bauerb@chromium.org>
Commit-Queue: Iulia Harasim <iuliah@google.com>
Cr-Commit-Position: refs/heads/master@{#502828}

chrome/android/java/strings/android_chrome_strings.grd

@@ -2292,7 +2292,7 @@ To obtain new licenses, connect to the internet and play your downloaded content
         To get personalized content suggested by Google, sign in to Chrome.
       </message>
       <message name="IDS_SIGNIN_PROMO_DESCRIPTION_RECENT_TABS" desc="Description string for 'Continue as' signin promo shown in Recent Tabs screen.">
-        To get your tabs on all your devices, sign in to Chrome.
+        To get your tabs from your other devices, sign in to Chrome.
       </message>
       <message name="IDS_SIGNIN_PROMO_DESCRIPTION_SETTINGS" desc="Description string for 'Continue as' signin promo shown in Settings screen.">
         Sign in to Chrome to get your bookmarks, passwords, and more on all your devices.

ios/chrome/app/strings/ios_google_chrome_strings.grd

@@ -271,7 +271,7 @@ locale.  The strings in this file are specific to iOS.
         Sign in to Chrome to get your bookmarks, passwords, and more on all your devices.
       </message>
       <message name="IDS_IOS_SIGNIN_PROMO_RECENT_TABS" desc="Text to inform the user that they can sign in to get the recent tabs from other computers">
-        To get your tabs on all your devices, sign in to Chrome.
+        To get your tabs from your other devices, sign in to Chrome.
       </message>
       <message name="IDS_IOS_SIGNIN_PROMO_BOOKMARKS" desc="Text to inform the user that they can sign in to get bookmarks shared between devices">
         To get your bookmarks on all your devices, sign in to Chrome.